[PATCH] D150103: [ValueTracking] Use `KnownBits` functions for `computeKnownBits` of saturating add/sub functions

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n updated this revision to Diff 520572.
goldstein.w.n added a comment.

Rebase


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150103/new/

https://reviews.llvm.org/D150103

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Analysis/ValueTracking/knownbits-sat-addsub.ll

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